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Filed Tariff Indicates TNMP Secondary < 5 kW Distribution Charge Would Fall To Under 5 Mills per kWh Under New TNMP Rate Case

TNMP Would Decrease Flat Monthly Charges For Mass Market Customers; Some Discretionary Charges Also Lowered


November 14, 2025

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Copyright 2025 EnergyChoiceMatters.com
Reporting by Paul Ring • ring@energychoicematters.com

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Texas-New Mexico Power Company has filed a new electric delivery rate case with the Texas PUC

TNMP's proposed distribution rates (not including riders) for residential customers and Secondary <= 5 kW customers are as follows:

TNMP Distribution Rates

                      Current    Proposed

Residential
  Customer Charge
     per month        $1.13      $1.52
  Meter Charge
     per month        $6.72      $5.80
  Distribution System Charge 
     per kWh      $0.025670      $0.048010


Secondary <= 5 kW
  Customer Charge
     per month        $0.74      $1.58
  Meter Charge
     per month        $7.62      $6.31
  Distribution System Charge 
     per kWh      $0.042580      $0.004400[sic]

The stated Secondary <= 5 kW Distribution System Charge of $0.004400 per kWh appears in multiple copies and versions of the tariff filed in the case (both clean and redline), and is consistent with the calculation from stated values for the class's proposed revenue requirement and usage appearing in several workpapers. However, ECM stresses that ECM is merely posting the number as it appears in TNMP's proposed tariff. Overall, for the Secondary <= 5 kW class, the filing indicates an approximately 50% lower revenue requirement versus current rates

While not citing the Secondary <= 5 kW class specifically, TNMP stated in the filing that the rate case reflects a reassignment of costs across customer classes based on cost causation to reduce current subsidies and bring all classes toward equalized rates of return.

As illustrated above, for the Residential and Secondary <= 5 kW classes, TNMP proposed changes to the monthly customer charge and monthly metering charge that would result in a reduction in the combined flat monthly charge to REPs

For residential customers, the sum of the monthly customer charge and monthly metering charge would decrease to $7.32 per month, from the current $7.85 per month

For Secondary <= 5 kW customers, the sum of the monthly customer charge and monthly metering charge would decrease to $7.89 per month, from the current $8.36 per month

In the rate case, TNMP is requesting a five-year recovery of Hurricane Beryl O&M Costs through a rate rider, Hurricane Cost Recovery Factor (Rider HCRF).

Rider HCRF is an existing, $0 rider in TNMP's tariff. TNMP would re-institute charges under Rider HCRF, Hurricane Cost Recovery Factor, as follows (no amounts are currently charged under the rider)

Rider HCRF            New
Residential           $0.000862 / kWh
Secondary <= 5 KW     $0.000578 / kWh
Secondary > 5 KW      $0.187613 / Actual kW
Primary               $0.149962 / Actual kW
Primary Substation    $0.000160 / Actual kW
Transmission          $0.000025 / Actual kW
Lighting              $0.000893 / kWh

TNMP would also resume charges under its rate case expense rider, Rider RCE, as follows (no amounts are currently charged under Rider RCE)

Rider RCE             New
Residential           $0.000205 / kWh
Secondary <= 5 KW     $0.000128 / kWh
Secondary > 5 KW      $0.042029 / Actual kW
Primary               $0.031652 / Actual kW
Primary Substation    $0.020689 / Actual kW
Transmission          $0.007596 / Actual kW
Lighting              $0.000498 / kWh

TNMP also proposes changes in various Discretionary Service Charges, with decreases for certain services for standard meters, and increases for other services, including for new standard meters, and for standard meters at premium locations. Select proposed changes are noted below (some DSCs which are not being changed are also listed due to interest in there being no change):

TNMP Discretionary Service Charges

 (charges are for existing standard meter, 
non-premium location unless otherwise noted)

                        Current     Proposed

Move-In 
  Existing Standard Meter  1.50      1.00

Move-In 
   New Standard Meter     36.00     54.00


Disconnection For Non-Payment (DNP)
Disconnection at Meter     1.50      1.50

Disconnection at 
  Premium Location       104.00    163.00


Reconnection After DNP
Reconnection at Meter      1.50      1.50

Reconnection at Premium Location
  Standard Reconnect     101.00    145.00
  Same Day Reconnect     236.00    353.00
  Weekend                236.00    353.00
  Holiday                340.00    515.00


Meter Reading for the Purpose of 
       a Self-Selected Switch
                           0.40      0 10

Docket 58964

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